#include <iostream>
#include <array>
using namespace std;

int main(int argc, char const *argv[])
{
    array<string, 5> coll = {"hello", "world"};
    for (int i = 0; i < coll.size(); i++)
    {
        cout << i << ": " << coll[i] << endl;
    }
    return 0;
}
